CN207769372U - Subsider and alumina producing system - Google Patents

Abstract

The utility model is related to a kind of subsider and alumina producing systems, are related to chemical field.The subsider includes groove body, and by motor-driven underflow pump, the bottom of groove body is communicated with underflow pipe, and underflow pump passes through underflow pipe repeatedly by the way that connecting tube is removable.It can only need to have a power failure under conditions of not changing the relative position of groove body and underflow pump, it is not necessary to disconnect motor power-supply wire, easy access underflow pump effectively saves the cost of overhaul.Alumina producing system including above-mentioned subsider, can effectively save the cost of overhaul, improve the efficiency of operation.

Description

Subsider and alumina producing system

Technical field

The utility model is related to chemical fields, in particular to a kind of subsider and alumina producing system.

Background technology

In alumina by sintering production, the sedimentation separation and washing of sodium aluminate solution are important a ring, subsider Operation conditions directly influences net molten and two big technical indicator of additional loss, also affects subsequent process.General sedimentation groove center It is mounted with that the mud scraper that one slowly rotates sends the slurry to settle down to the outlet for settling trench bottom, it is heavy in sedimentation trench bottom The slurry for dropping the thickening is pumped to vacuum band-type filter machine by subsider underflow and is filtered.

Since operation hours is more long, or due to system temperature, the acute variation of pressure, cause the dirty piece in system big Amount falls off, and subsider is recycled into dampening, and dirty piece is caused to enter underflow impeller of pump, causes the frequent maintenance and damage of pump, shadow Ring the normal discharge to slurry.

Therefore, maintenance underflow pump is required for the dismounting pump housing, and mobile motor every time, also makes while increasing workload Collection terminal box must be dismounted every time by obtaining automatically controlled workshop, while per secondary carry out motor and pump housing centering, make the repair time at multiplication Add, and sometimes due to motor centering deviation, may cause axis, bearing and machine envelope damage, effect to be got half the result with twice the effort.

Utility model content

The purpose of this utility model is to provide a kind of subsiders, can be in the opposite position for not changing groove body and underflow pump It under conditions of setting, only needs to have a power failure, it is not necessary to disconnect motor power-supply wire, easy access underflow pump effectively saves the cost of overhaul.

The another object of the utility model is to provide a kind of alumina producing system, can effectively save maintenance at This, improves the efficiency of operation.

What the embodiments of the present invention were realized in：

A kind of subsider comprising groove body, by motor-driven underflow pump, the bottom of groove body is communicated with underflow pipe, underflow Pump passes through underflow pipe repeatedly by the way that connecting tube is removable.

Further, in the utility model preferred embodiment, above-mentioned underflow pump and connecting tube flanged joint, connecting tube With underflow pipe flanged joint.

Further, in the utility model preferred embodiment, the both ends of above-mentioned connecting tube are respectively equipped with first flange And second flange, underflow pipe have an opening, underflow pipe is located at opening and is equipped with third flange, and the inlet tube of underflow pump is equipped with the Four flanges, first flange are connect with third flange bolt, and first flange pad, the second method are equipped between first flange and third flange Orchid connect with the 4th flange bolt, and second flange pad is equipped between second flange and the 4th flange.

Further, in the utility model preferred embodiment, above-mentioned further includes for filtering the liquid for entering underflow pump Body filter device, filter device are connected to underflow pipe.

Further, in the utility model preferred embodiment, above-mentioned filter device includes filter chamber, and filter chamber has Inlet and liquid outlet, liquid outlet are equipped with filter screen, and inlet is connected to underflow pipe, and liquid outlet is connected to connecting tube.

Further, in the utility model preferred embodiment, there is above-mentioned filter chamber slag-drip opening, filter device also to wrap The lid coordinated with slag-drip opening is included, slag-drip opening is set to the side for being located at the aggregation of filtered filter residue in filter chamber.

Further, in the utility model preferred embodiment, above-mentioned filter chamber is communicated with escape pipe, escape pipe setting In side of the filter chamber far from slag-drip opening.

Further, in the utility model preferred embodiment, above-mentioned underflow pipe is equipped with valve, and valve is located at filtering and fills It sets between groove body.

Further, in the utility model preferred embodiment, above-mentioned further includes steam hammer, and steam hammer is set to the outer of groove body Wall.

A kind of alumina producing system comprising at least one above-mentioned subsider, subsider are connected with for heated transportation The subsider heater of water in subsider.

The advantageous effect of the utility model embodiment is：

It is detachably communicated with connecting tube by the inlet tube of underflow pump, side of the connecting tube far from underflow pump is removable to be led to repeatedly In underflow pipe, therefore when needing maintenance, without mobile underflow pump or underflow pipe, it is only necessary to dismantle connecting tube, remove, you can into The maintenance of row underflow pump, it is simple and convenient, while effectively saving time and the cost for moving underflow pump and motor.Together When, since motor need not be moved when maintenance, automatically controlled need are overhauled every time and stop power transmission, it is not necessary to disconnect motor power Line effectively saves the cost of overhaul and time, improves overhaul efficiency.

Alumina producing system including above-mentioned subsider effectively saves human cost and time in maintenance process Cost.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the subsider that the utility model embodiment provides；

Fig. 2 is the structural schematic diagram for the connecting tube that the utility model embodiment provides；

Fig. 3 is the structural schematic diagram of the junction at the connecting tube both ends that the utility model embodiment provides；

Fig. 4 is the structural schematic diagram for the filter device that the utility model embodiment provides.

Icon：10- subsiders；100- groove bodies；110- steam hammers；200- underflow pipes；210- third flanges；220- valves； 300- underflow pumps；The 4th flanges of 310-；320- connecting tubes；321- first flanges；323- second flanges；330- protective cases；400- Filter device；410- filter chambers；420- inlets；430- liquid outlets；440- filter screens；450- slag-drip openings；460- lids；470- Escape pipe.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, do not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

The present embodiment provides a kind of alumina producing system (not shown) comprising subsider 10 with for heated transportation extremely The subsider heater (not shown) of water in subsider 10, subsider heater are connect with subsider 10, i.e., subsider 10 is used In conveying hot water into subsider 10, keep effect of settling good.

Wherein, the quantity of subsider 10 can be one, or two or more, those skilled in the art can It is set according to actual conditions, is not done specifically repeating herein.

Specifically, referring to Fig. 1, subsider 10 includes groove body 100, underflow pipe 200 and underflow pump 300.

Wherein, the bottom of groove body 100 is tapered, and the specific setting of groove body 100 can refer to the prior art, not do herein excessive Description.The bottom of groove body 100 is connected to underflow pipe 200, to which the slurry in groove body 100 to be discharged through underflow pipe 200.

In the minerals that 10 bottom of subsider settles out, it is easy to scab in the inner wall of groove body 100, therefore preferably further include vapour Hammer 110, steam hammer 110 is set to the outer wall of groove body 100, and the outer wall for tapping groove body 100 effectively reduces minerals and is attached to slot The probability that the inner wall of body 100 scabs.

Wherein, the underflow pump 300 in the utility model refers to the underflow pump 300 driven by motor (not shown).

Also referring to Fig. 1 and Fig. 2, the inlet tube of underflow pump 300 is detachably communicated with connecting tube 320, connecting tube 320 Side far from underflow pump 300 is removable to pass through underflow pipe 200 repeatedly.That is, underflow pump 300 passes through connecting tube 320 and underflow pipe 200 It is detachably connected, therefore, when needing to overhaul underflow pump 300, underflow pump 300, and mobile motor need not be dismantled, Collection terminal box must be dismounted every time by not needing automatically controlled workshop, effectively save the repair time, effectively reduced because of motor centering deviation, led The spoilage of axis, bearing and machine envelope, effect is caused to get twice the result with half the effort.

Wherein, it is detachably connected such as can be interference fit, be threadedly coupled, be clamped, above-mentioned detachable connection Although said effect may be implemented, above-mentioned removably will produce the problem of needs entirety moves underflow pump 300.

It is therefore preferred that be detachably connected as flanged joint, i.e. underflow pump 300 and 320 flanged joint of connecting tube, connection Pipe 320 and 200 flanged joint of underflow pipe.

Thus in the case where ensureing that underflow pump 300 and the relative position of 200 three of subsider 10 and underflow pipe are constant, It is detachably connected pipe 320, realizes the effect of maintenance underflow pump 300.Meanwhile it using flanged joint, can effectively be tightly connected Place, prevents slurry from revealing.

Specifically, also referring to Fig. 2 and Fig. 3, the both ends of connecting tube 320 are respectively equipped with first flange 321 and There is opening (not shown), underflow pipe 200 to be located at opening and be equipped with third flange 210, underflow pump for two flanges 323, underflow pipe 200 300 inlet tube is equipped with the 4th flange 310, and first flange 321 is bolted with third flange 210, first flange 321 and third It is equipped with first flange 321 between flange 210 and pads (not shown), second flange 323 is bolted with the 4th flange 310, the second method It is equipped with second flange 323 between orchid 323 and the 4th flange 310 and pads (not shown).Pass through the pad of first flange 321, second flange The setting of 323 pads, effectively improves sealing performance.

Optionally, in order to further ensure sealing performance, first flange 321 and the junction of third flange 210 are detachable It is arranged with protective case 330, the junction of second flange 323 and the 4th flange 310 is detachably arranged with same protective case 330, Wherein, protective case 330 can effectively prevent junction to be corroded, and effectively improve the stability of junction.

Optionally, connecting tube 320 is short tube, such as the short tube that connecting tube 320 is 5-100cm, the setting of short tube make entirety Structure is more compact, saves space.

But maintenance underflow pump 300 the reason of be mostly since operation hours is more long, or due to system temperature, pressure The acute variation of power, causes the dirty piece in system largely to fall off, and is recycled into subsider 10 with dampening, dirty piece is caused to enter underflow The impeller (not shown) of pump 300 causes the frequent maintenance and damage of underflow pump 300, influences the normal discharge of slurry.

It is therefore preferred that please refer to Fig.1 and Fig. 4, subsider 10 further includes filter device 400, filter device 400 with Underflow pipe 200 is connected to, and filter device 400 is set between groove body 100 and underflow pump 300 for filtering into underflow pump 300 Liquid avoids dirty piece from entering impeller, to effectively avoid the number of maintenance underflow pump 300.

Specifically, filter device 400 includes filter chamber 410, and filter chamber 410 has inlet 420 and liquid outlet 430, Liquid outlet 430 is equipped with the filter screen 440 with filter opening (not shown), and inlet 420 is connected to underflow pipe 200, liquid outlet 430 and Connecting tube 320 is connected to.To which slurries enter from inlet 420, filtering stays in filter residue in filter chamber 410, filtered slurries Into underflow pump 300.It is preferred that filter screen 440 has to 430 cambered surface outstanding of liquid outlet, filtering filter residue of being more convenient for makes filter residue collection In, while alleviating impact force.

For the accumulation for making filter residue more concentrate, removed convenient for follow-up, while in order to improve the utilization rate of filter chamber 410, it can Selection of land, inlet 420 and liquid outlet 430 are respectively arranged at the side that filter chamber 410 is accumulated far from filter residue, and filter chamber 410 is filtered The section of the side of slag muck product is trapezoidal, convenient for filter residue is concentrated accumulation processing.

For the ease of removing filter residue, prevent filter residue accumulation from excessively causing to close liquid outlet 430, therefore filter chamber 410 has It includes the lid 460 coordinated with slag-drip opening 450, the alternative closing slag-drip opening of lid 460 to have slag-drip opening 450, filter device 400 450.Slag-drip opening 450 is set to the side for being located at the aggregation of filtered filter residue in filter chamber 410, convenient for more quick, more thorough Removing filter residue.In the present embodiment, the side of lid 460 is articulated with slag-drip opening 450, and the other end is connected in slag-drip opening 450, simultaneously Lid 460 be connected in slag-drip opening 450 side be equipped with to far from slag-drip opening 450 protrude the first limiting stand (not shown), first Limiting stand is equipped with first through hole, and filter device 400 has the second limiting stand (not shown), and the second limiting stand is equipped with and first through hole Corresponding second through-hole, first through hole are detachably connected with the second through-hole by bolt, and lid 460 and opening are further consolidated The stability of junction.

And it is provided with sealing strip between lid 460 and slag-drip opening 450.

It is further preferred that filter chamber 410 is communicated with escape pipe 470, escape pipe 470 is set to filter chamber 410 far from row The side of cinder notch 450, for the gas in filter chamber 410 to be discharged.

When needing maintenance, or when needing to open lid 460, it is required to subsider 10 and stops output slurries, therefore it is excellent Selection of land, underflow pipe 200 are equipped with valve 220, and valve 220 is between filter device 400 and groove body 100.It is highly preferred that the valve 220 be solenoid valve, easy to operation.

Optionally, finally the slurries that underflow pump 300 exports can also be filtered further, output to detritus tank, It does not limit herein.

The operation principle of subsider 10 is：

Valve 220 is opened, makes the slurries in groove body 100 first by 200 output filtering chamber 410 of underflow pipe, filters, filtering In in filter chamber 410, the inlet tube that filtered slurries are delivered to underflow pump 300 through connecting tube 320 adds cake deposition afterwards It is exported after pressure, during which, the outer wall of groove body 100 is tapped using steam hammer 110.

When needing to clear up filter residue, valve 220 and underflow pump 300 are closed, opens lid 460, after removing filter residue, is closed Lid 460.

When needing to repair underflow pump 300, valve 220 and motor power are closed, opens first flange 321 and third method Orchid 210 obtains junction and the junction of second flange 323 and the 4th flange 310, without moving underflow pump 300 and motor Deng.Repairing finishes, and is bolted first flange 321 and third flange 210, is bolted second flange 323 and the 4th flange 310 .

To sum up, subsider 10 provided by the utility model can not change the opposite of groove body 100 and underflow pump 300 It under conditions of position, only needs to have a power failure, it is not necessary to disconnect motor power-supply wire, easy access underflow pump 300 effectively saves the cost of overhaul.

Alumina producing system including above-mentioned subsider 10, can effectively save the cost of overhaul, improve the effect of operation Rate.

The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of subsider, which is characterized in that including groove body, by motor-driven underflow pump, the bottom of the groove body is communicated with Underflow pipe, the underflow pump pass through the underflow pipe repeatedly by the way that connecting tube is removable.

2. subsider according to claim 1, which is characterized in that the underflow pump and the connecting tube flanged joint, institute State connecting tube and the underflow pipe flanged joint.

3. subsider according to claim 2, which is characterized in that the both ends of the connecting tube be respectively equipped with first flange with And there is opening, the underflow pipe to be located at the opening and be equipped with third flange, the underflow pump for second flange, the underflow pipe Inlet tube be equipped with the 4th flange, the first flange connect with the third flange bolt, the first flange and described the First flange pad is equipped between three flanges, the second flange is connect with the 4th flange bolt, the second flange and institute It states and is equipped with second flange pad between the 4th flange.

4. according to claim 1-3 any one of them subsiders, which is characterized in that further include entering the underflow for filtering The sedimeter of pump, the filter device are connected to the underflow pipe.

5. subsider according to claim 4, which is characterized in that the filter device includes filter chamber, the filter chamber With inlet and liquid outlet, the liquid outlet is equipped with filter screen, and the inlet is connected to the underflow pipe, it is described go out liquid Mouth is connected to the connecting tube.

6. subsider according to claim 5, which is characterized in that the filter chamber has slag-drip opening, the filter device Further include the lid coordinated with the slag-drip opening, the slag-drip opening, which is set in the filter chamber, is located at the aggregation of filtered filter residue Side.

7. subsider according to claim 6, which is characterized in that the filter chamber is communicated with escape pipe, the escape pipe It is set to side of the filter chamber far from the slag-drip opening.

8. subsider according to claim 4, which is characterized in that the underflow pipe is equipped with valve, and the valve is located at institute It states between filter device and the groove body.

9. subsider according to claim 8, which is characterized in that further include steam hammer, the steam hammer is set to the groove body Outer wall.

10. a kind of alumina producing system, which is characterized in that including at least one as claim 1-9 any one of them is heavy Slot drops, and the subsider is connected with the subsider heater for the water in heated transportation to the subsider.